Maxon Cinema 4D SKP File Parser use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Maxon Cinema 4D. It has been rated as critical. Impacted is an unknown function of the component SKP File Parser. This manipulation causes use after free. The identification of this vulnerability is CVE-2023-40491. The attack can only be executed locally. There is no exploit available. It is best practice to apply the suggested workaround.

Detailsinfo

A vulnerability classified as critical was found in Maxon Cinema 4D (version unknown). Affected by this vulnerability is an unknown function of the component SKP File Parser. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Maxon Cinema 4D SKP File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Maxon Cinema 4D. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of SKP files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21439.

The weakness was shared 08/25/2023 as ZDI-23-1191. It is possible to read the advisory at zerodayinitiative.com. This vulnerability is known as CVE-2023-40491 since 08/14/2023. The technical details are unknown and an exploit is not publicly available.

The best possible mitigation is suggested to be Workaround.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Workaround
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/14/2023 🔍
08/25/2023 +11 days 🔍
08/25/2023 +0 days 🔍
05/28/2025 +642 days 🔍

Sourcesinfo

Advisory: ZDI-23-1191
Status: Not defined

CVE: CVE-2023-40491 (🔍)
GCVE (CVE): GCVE-0-2023-40491
GCVE (VulDB): GCVE-100-237979

Entryinfo

Created: 08/25/2023 07:28
Updated: 05/28/2025 05:07
Changes: 08/25/2023 07:28 (37), 05/28/2025 05:07 (36)
Complete: 🔍
Cache ID: 216::103

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